Why are bottles made from amorphous solid's such as plastic and glass

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n

What is the work done by the electric force to move a 1 c charge from a to b?